Retention flap for use with a cart



FIG. 1 is a top plan view of the retention flap for use with a cart showing the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a right elevation view thereof; and,

FIG. 7 is a left elevation view thereof. 

The ornamental design for retention flap for use with a cart, as shown and described. 